CN107746193A - A kind of industrial residue oil-well cement and preparation method thereof - Google Patents

A kind of industrial residue oil-well cement and preparation method thereof Download PDF

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Publication number
CN107746193A
CN107746193A CN201710892751.2A CN201710892751A CN107746193A CN 107746193 A CN107746193 A CN 107746193A CN 201710892751 A CN201710892751 A CN 201710892751A CN 107746193 A CN107746193 A CN 107746193A
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Prior art keywords
industrial residue
well cement
oil
cement
clinker
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CN201710892751.2A
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CN107746193B (en
Inventor
曾宪军
朱先均
史彦勇
申建成
李海涛
刘延财
张新爱
王奋中
尤文军
张明
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Shaanxi Beiyuan Chemical Group Co Ltd
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Shaanxi Beiyuan Chemical Group Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00—Hydraulic cements
    • C04B7/24—Cements from oil shales, residues or waste other than slag
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00—Hydraulic cements
    • C04B7/36—Manufacture of hydraulic cements in general
    • C04B7/38—Preparing or treating the raw materials individually or as batches, e.g. mixing with fuel
    • C04B7/40—Dehydrating; Forming, e.g. granulating
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00—Hydraulic cements
    • C04B7/36—Manufacture of hydraulic cements in general
    • C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
    • C04B7/44—Burning; Melting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Processing Of Solid Wastes (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The invention discloses a kind of industrial residue oil-well cement and preparation method thereof, including raw material：Dry acetylene sludge powder 72%~80%, slag 6.6%~14.8%, yellow spoil 4.5%~9.7%, silica 3.5%~8.9%；Extra material：Gypsum；It is (96~98.5) according to clinker and extra material ratio by raw material after calcining is clinker：(1.5~4) admix.Industrial residue oil-well cement of the present invention is dried through carbide slag, prepared by raw material, clinker burning and cement step of preparation process are made.Industrial residue oil-well cement prepared by this method has preferable specific surface area, is provided simultaneously with excellent compression strength characteristic, and obtained cement quality is stable；And industrial residue disposal is this method reduce, reduce environmental pollution, energy-conserving and environment-protective, cost is low.

Description

A kind of industrial residue oil-well cement and preparation method thereof
Technical field
The present invention relates to inorganic coagulation material technical field, and in particular to a kind of industrial residue oil-well cement and its preparation side Method.
Background technology
The energy is the driving force of human development as basis for the survival of mankind.Oil is a kind of non-renewable resources, Belong to primary energy, very important status is accounted in world today's energy composition.During oil exploitation, anchorage It is the precondition for ensureing safe working.
Oil-well cement is exclusively used in the casing and cementing of oil well, gas well, also known as plugging cement.It it is main it is primary be by sleeve pipe with The cementing sealing in rock stratum of surrounding, oil, gas and water layer in stratum are insulated, prevents mutual crosstalk, to form one in well from oil reservoir Flow to ground and completely cut off good oil flow channel.The basic demand of oil-well cement is:Cement mortar will have necessarily during well is noted Mobility and suitable density；, should be compared with quick setting after cement mortar injects into well, and reach suitable intensity in a short time；Firmly Cement mortar after change should have good stability and impervious, corrosion stability.
The performance requirement for oilfield cement of being cemented the well for specification, China is according to API oil-well cement standard formulations《Oil-well cement》 (GB/T10238-2015).According to standard, China's oil-well cement is divided into six A levels, B levels, C levels, D levels, G levels and H levels grades, bag Include plain edition (O), moderate resistance sulfate type (MSR) and high sulfate resisting type (HSR)；Wherein G levels oil-well cement:By hydraulicity silicic acid Calcium is the Portland clinker of main component, generally adds people is appropriate to meet made of GB/T 5483 gypsum intergrinding Product.When producing G class g cements, except adding gypsum or water or both that with clinker grinding or in addition to mixing, other must not be filled together Additive.When using the chemical admixture for reducing water soluble hexavalent chromium content, it is impossible to influence the estimated performance of oil-well cement.Should Product is a kind of basic oil-well cement, there is middle sulfate resistance (MSR) and high sulfate resisting (HSR) two types.
Traditional oil-well cement clinker is using the natural mineral resources such as lime stone, clay, sandstone, iron ore, coal and the energy Dispensing calcining is carried out for raw material, energy consumption is higher, and cost is higher, not only wastes substantial amounts of natural resources and the energy, and discharge A large amount of CO2And other pernicious gases, pollution environment are serious.
Waste residue of the slag as steel-making discharge, it is more for producing cement report；And carbide slag produces as acetylene from calcium carbide Raw large industrial residue, processing mode under normal circumstances is production cement at present, but is only limitted to produce common Portland water Mud, in oil-well cement clinker is prepared and have no relevant report.
Requirement more and more higher of the mankind to its own existence environment, Ecological Civilization Construction also grow in intensity at present.Utilize industry Waste residue production well cement not only conforms with environmental protection, reduces the environmental protection concept of pollution, and with turning waste into wealth, reduce industry Waste residue is disposed and the positive social effect of production cost.
The content of the invention
To solve drawbacks described above present in prior art, it is an object of the invention to provide a kind of industrial residue oil well water Mud and preparation method thereof, industrial residue oil-well cement prepared by this method have preferable specific surface area, are provided simultaneously with excellent Compression strength characteristic, cement quality are stable；And this method energy-conserving and environment-protective, cost is low, reduces environmental pollution.
The present invention is realized by following technical proposals.
A kind of industrial residue oil-well cement, including following butt qualities than raw material：
Raw material：
Dry acetylene sludge powder 72%~80%, slag 6.6%~14.8%, yellow spoil 4.5%~9.7%, silica 3.5%~ 8.9%；
Extra material：
Gypsum；
It is (96~98.5) according to clinker and extra material ratio by above-mentioned raw material after calcining is clinker：(1.5~4) mix With.
Further, SO in the gypsum3>=35%, the crystallization water >=10%, insoluble matter≤10%.
The present invention furthermore present a kind of preparation method of industrial residue oil-well cement, comprise the following steps：
1. carbide slag is dried：Dry acetylene sludge powder is made by drying in wet carbide slag, is stored into bank；
2. prepared by raw material：By raw material according to butt quality than the dry acetylene sludge powder for 72%~80%, 6.6%~14.8% Slag, 4.5%~9.7% yellow spoil and 3.5%~8.9% silica, by measuring, conveying, into raw grinding system System carries out grinding, and enters storage in homogenizing storehouse, homogenizing；
3. clinker burning：Raw material 2. step is homogenized after enter kiln mature calcined material；
4. prepared by cement：According to mass ratio it is clinker (96~98.5) in 3. clinker that step is burnt till：(1.5~4) Gypsum is mixed outside ratio, then carries out cement and be milled to produce industrial residue oil-well cement.
Further, the step 1. in, wet carbide slag moisture is in 4%-40%, dry acetylene sludge powder moisture ＜ 2%；Utilize kiln Tail waste gas, exchanged heat, dried using drying hammer stone disintegrating machine or drying tube.
Further, the step 2. in, dry acetylene sludge powder is claimed using powder metering, is directly entered by conveying equipment and is selected powder Machine selects powder, and it is grinding fineness ＜ 15% to select powder.
Further, the step 3. in, clinker using following quality control index control quality：Lime saturation factor KH= 0.87~0.93, silica modulus SM=1.78~2.86, aluminium-oxygen modulus IM=0.71~0.90；
Wherein：Lime saturation factor：KH=(CaO-1.65Al2O3-0.35Fe2O3)/2.8SiO2；
Silica modulus：SM=SiO2/(Al2O3+Fe2O3)；
Aluminium-oxygen modulus：IM=Al2O3/Fe2O3。
Further, the step 4. in, the oil-well cement produced belongs to G level HSR high sulfate resisting type oil-well cements；Water Mud grinding process is not spiked with any mixing material, using closed-circuit grinding technique.
Further, institute's oil-producing well cement specific surface area is in 300-350m2/ Kg, SO31.2%~2.5%.
The beneficial effects of the present invention are：
The industrial residue oil-well cement of the present invention realizes carbide slag using a large amount of carbide slags and the industrial residue of slag 100% substitutes lime stone production well cement, saves ample resources；Oil-well cement is higher relative to general-purpose cement price, increases The added value of waste residue is added；Carbide slag fineness is thinner, only needs to select powder after drying, matches somebody with somebody raw grinding efficiency and yield is high；Calcium carbide Slag main component is calcium hydroxide, and calcining does not produce CO2, and be easy to calcine, energy consumption is low, and production cost is relatively low, avoids and causes The wasting of resources and environmental pollution, low-carbon environment-friendly；The clinker and strength of cement produced is high, steady quality, reaches optimum efficiency.
Embodiment
With reference to embodiment, the invention will be described in further detail, but be not intended as to invention do any restrictions according to According to.
A kind of preparation method of industrial residue oil-well cement of the present invention, comprises the following steps：
1. carbide slag is dried：Using kiln tail gas, by wet carbide slag moisture in 4%-40%, stone disintegrating machine is hammered into shape using drying Or drying tube is exchanged heat, dries dry acetylene sludge powder is made, dry acetylene sludge powder moisture ＜ 2%；Stored into bank；
2. prepared by raw material：By raw material according to butt quality than the dry acetylene sludge powder for 72%~80%, 6.6%~14.8% Slag, 4.5%~9.7% yellow spoil and 3.5%~8.9% silica, by measuring, conveying, wherein, dry acetylene sludge powder Claimed using powder metering, grinding, grinding fineness ＜ 15% are carried out into raw grinding system；And it is directly entered by conveying equipment After powder concentrator selects powder, into homogenizing storehouse in storage, homogenizing；
3. clinker burning：Raw material 2. step is homogenized after enter kiln mature calcined material；Using following quality control index control Quality processed：Lime saturation factor KH=0.87~0.93, silica modulus SM=1.78~2.86, aluminium-oxygen modulus IM=0.71~0.90； Wherein：Lime saturation factor：KH=(CaO-1.65Al2O3-0.35Fe2O3)/2.8SiO2；Silica modulus：SM=SiO2/(Al2O3+ Fe2O3)；Aluminium-oxygen modulus：IM=Al2O3/Fe2O3；
4. prepared by cement：According to mass ratio it is clinker (96~98.5) in 3. clinker that step is burnt till：(1.5~4) Gypsum is mixed outside ratio, then carries out cement and be milled to produce industrial residue oil-well cement.
The oil-well cement produced belongs to G level HSR high sulfate resisting type oil-well cements；Cement pulverizing course is not spiked with any Mixing material, using closed-circuit grinding technique.
The present invention is further illustrated below by specific embodiment.
Embodiment 1:
It is by proportioning, grinding, the butt quality number of each component by each component raw material：Carbide slag 72%, slag 14.8%th, silica 3.5%, yellow spoil 9.7%.
Raw material after homogenizing are entered into kiln, using new dry process production technology mature calcined material.
Mass ratio is mixed in the clinker China and foreign countries that the mass ratio burnt till is 96 parts water is made for 4 parts of gypsum progress cement milling Mud.
Embodiment 2:
It is by proportioning, grinding, the butt quality number of each component by each component raw material：Carbide slag 80%, slag 6.6%th, silica 8.9%, yellow spoil 4.5%.
Raw material after homogenizing are entered into kiln, using new dry process production technology mature calcined material.
Mass ratio, which is mixed, in the clinker China and foreign countries that the mass ratio burnt till is 98.5 parts carries out cement milling system for 1.5 parts of gypsum Into cement.
Embodiment 3:
It is by proportioning, grinding, the butt quality number of each component by each component raw material：Carbide slag 76%, slag 11%th, silica 4%, yellow spoil 9%.
Raw material after homogenizing are entered into kiln, using new dry process production technology mature calcined material.
Mass ratio is mixed in the clinker China and foreign countries that the mass ratio burnt till is 97 parts water is made for 3 parts of gypsum progress cement milling Mud.
The oil-well cement that each embodiment is produced, is analyzed, and data are as shown in table 1 below：
The oil-well cement clinker analyze data % of table 1
The oil-well cement that each embodiment is produced, according to《Oil-well cement》(GB/T10235) performance detection mentioned by is such as Shown in table 2 below：
The physical property testing result of table 2
As can be seen from the above Table 2, the industrial residue oil-well cement that prepared by the present invention, its specific surface area are not more than 330m2/ Kg, in the case of the defined ratio of mud, 8h compression strength is not less than 12.1MPa under 38 DEG C of condition of normal pressure, in 60 DEG C of normal pressure bars It is not less than 4.2MPa under part.As can be seen from Table 2, the industrial residue oil-well cement prepared by the present invention not only has preferably ratio Surface area, excellent compression strength characteristic is provided simultaneously with, is a kind of good industrial residue oil-well cement of processing characteristics.
The invention is not limited in above-described embodiment, on the basis of technical scheme disclosed by the invention, the skill of this area Art personnel are according to disclosed technology contents, it is not necessary to which performing creative labour can makes one to some of which technical characteristic A little to replace and deform, these are replaced and deformation is within the scope of the present invention.

Claims (8)

  1. A kind of 1. industrial residue oil-well cement, it is characterised in that including following butt qualities than raw material：
    Raw material：
    Dry acetylene sludge powder 72%~80%, slag 6.6%~14.8%, yellow spoil 4.5%~9.7%, silica 3.5%~ 8.9%；
    Extra material：
    Gypsum；
    It is (96~98.5) according to clinker and extra material ratio by above-mentioned raw material after calcining is clinker：(1.5~4) admix.
  2. A kind of 2. industrial residue oil-well cement according to claim 1, it is characterised in that SO in the gypsum3>=35%, The crystallization water >=10%, insoluble matter≤10%.
  3. 3. a kind of preparation method of industrial residue oil-well cement, it is characterised in that comprise the following steps：
    1. carbide slag is dried：Dry acetylene sludge powder is made by drying in wet carbide slag, is stored into bank；
    2. prepared by raw material：By raw material according to butt quality than dry acetylene sludge powder, 6.6%~14.8% steel for 72%~80% Slag, 4.5%~9.7% yellow spoil and 3.5%~8.9% silica, by measuring, conveying, enter into raw grinding system Row grinding, and enter storage in homogenizing storehouse, homogenizing；
    3. clinker burning：Raw material 2. step is homogenized after enter kiln mature calcined material；
    4. prepared by cement：According to mass ratio it is clinker (96~98.5) in 3. clinker that step is burnt till：The ratio of (1.5~4) Gypsum is mixed outside, then carries out cement and be milled to produce industrial residue oil-well cement.
  4. 4. the preparation method of a kind of industrial residue oil-well cement according to claim 3, it is characterised in that the step is 1. In, wet carbide slag moisture is in 4%-40%, dry acetylene sludge powder moisture ＜ 2%；Using kiln tail gas, stone disintegrating machine is hammered into shape using drying Or drying tube is exchanged heat, dried.
  5. 5. the preparation method of a kind of industrial residue oil-well cement according to claim 3, it is characterised in that the step is 2. In, dry acetylene sludge powder is claimed using powder metering, and being directly entered powder concentrator by conveying equipment selects powder, and it is grinding fineness ＜ to select powder 15%.
  6. 6. the preparation method of a kind of industrial residue oil-well cement according to claim 3, it is characterised in that the step is 3. In, clinker is using following quality control index control quality：Lime saturation factor KH=0.87~0.93, silica modulus SM=1.78 ~2.86, aluminium-oxygen modulus IM=0.71~0.90；
    Wherein：Lime saturation factor：KH=(CaO-1.65Al2O3-0.35Fe2O3)/2.8SiO2；
    Silica modulus：SM=SiO2/(Al2O3+Fe2O3)；
    Aluminium-oxygen modulus：IM=Al2O3/Fe2O3。
  7. 7. the preparation method of a kind of industrial residue oil-well cement according to claim 3, it is characterised in that the step is 4. In, the oil-well cement produced belongs to G level HSR high sulfate resisting type oil-well cements；Cement pulverizing course is not spiked with any mixing Material, using closed-circuit grinding technique.
  8. A kind of 8. preparation method of industrial residue oil-well cement according to claim 2, it is characterised in that institute's oil-producing well water Mud specific surface area is in 300-350m2/ Kg, SO31.2%~2.5%.
CN201710892751.2A 2017-09-27 2017-09-27 Industrial waste residue oil well cement and preparation method thereof Active CN107746193B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110790525A (en) * 2019-11-22 2020-02-14 陕西北元化工集团股份有限公司 Carbide slag cement containing coal gangue and preparation method thereof
CN111153612A (en) * 2020-01-03 2020-05-15 陕西北元化工集团股份有限公司 Industrial waste residue low-heat portland cement and preparation method thereof
CN111825355A (en) * 2019-09-12 2020-10-27 尧柏特种水泥技术研发有限公司 Low-thixotropy oil well cement
CN112194389A (en) * 2020-09-10 2021-01-08 内蒙古亿利冀东水泥有限责任公司 Strength attenuation resistant oil well cement and preparation method thereof

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CN102092969A (en) * 2010-12-21 2011-06-15 新疆天山水泥股份有限公司 Special concrete clinker without limerock burdening and production method of special concrete clinker

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111825355A (en) * 2019-09-12 2020-10-27 尧柏特种水泥技术研发有限公司 Low-thixotropy oil well cement
CN110790525A (en) * 2019-11-22 2020-02-14 陕西北元化工集团股份有限公司 Carbide slag cement containing coal gangue and preparation method thereof
CN111153612A (en) * 2020-01-03 2020-05-15 陕西北元化工集团股份有限公司 Industrial waste residue low-heat portland cement and preparation method thereof
CN112194389A (en) * 2020-09-10 2021-01-08 内蒙古亿利冀东水泥有限责任公司 Strength attenuation resistant oil well cement and preparation method thereof

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